Flag checkers are a common type of challenge in the Reverse Engineering category.
An executable or script called a flag checker takes the player's input and outputs whether that input matches the flag.
These challenges may also be called "crackmes" in a broader sense. (automatically translated from Japanese)
minaminao
hiikunz
tan90909090
chocorusk
arata-nvm
arata-nvm
serioton
keymoon
tan90909090
shiragi
tan90909090
yu212
arata-nvm
ptr-yudai
soon-haari
sugi
xornet
ptr-yudai
arata-nvm
ptr-yudai
n01e0
ptr-yudai
ptr-yudai
ptr-yudai
keymoon
n01e0
ptr-yudai
Who would have predicted that ARM would become so popular?
NOTE: We confirmed the binary of Jump accepts multiple flags. The SHA-1 of the correct flag is c69bc9382d04f8f3fbb92341143f2e3590a61a08 We're sorry for your patience and inconvenience
NOTE: A revised version has been published after the CTF ended: Jump-bugfix
